Capacity Validation can be applied to your event or its sessions to control attendance levels. With Capacity Validation turned on, users will be prevented from joining your event or its sessions after a certain capacity is met.
From the Admin portal, click on Event > Setup Properties:
Click the Event Options tab:
Afterwards, click the Edit Details button in the top-right corner:
Scroll down until you see the Capacity Validation section. From here, you can set Capacity Validation to the Event as a whole, individual Session Types, or turn it off:
Click Save when you're done.
Note: attendees will not be able to schedule sessions that have a room value of "0" (zero) on their calendar
Still confused? Drop us a line at firstname.lastname@example.org.